worldweather

Weather in Kaunas - 14-day forecast

Detailed weather forecast for Kaunas, Lithuania: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Kaunas
today🌧️ 15°💧 12.6 mm
Sun🌧️ 17°💧 2.7 mm
Mon🌤️ 18°💧 0.1 mm
Tue🌤️ 19°💧 1.7 mm
Wed🌧️ 17°💧 3 mm
Thu🌧️ 18°💧 0.2 mm
Fri🌧️ 18°💧 1 mm
Sat🌧️ 14°💧 6.4 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Saturday 5 Sept in Kaunas, the forecast high is 15°C. Typical daytime temperatures at this time of year range from 17°C to 22°C, so it will be cooler than usual. It is cooler than 88% of similar days.

15°Ccooler than usual
usually 17°C–22°C
cooler than 88% of similar days
night: warmer than usual rain: exceptionally wet wind: exceptionally strong
17°Ccooler than usual
usually 17°C–22°C
cooler than 75% of similar days
night: warmer than usual rain: more rain than usual wind: exceptionally strong
18°Cnear normal
usually 16°C–22°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual
19°Cnear normal
usually 16°C–22°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual
17°Ccooler than usual
usually 16°C–21°C
cooler than 70% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
18°Cnear normal
usually 15°C–21°C
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
18°Cnear normal
usually 15°C–21°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°20°30° 1981: 19°C1982: 17°C1983: 18°C1984: 17°C1985: 13°C1986: 14°C1987: 17°C1988: 18°C1989: 19°C1990: 14°C1991: 15°C1992: 17°C1993: 14°C1994: 19°C1995: 20°C1996: 13°C1997: 18°C1998: 19°C1999: 22°C2000: 16°C2001: 17°C2002: 23°C2003: 18°C2004: 18°C2005: 23°C2006: 19°C2007: 17°C2008: 22°C2009: 21°C2010: 16°C2011: 19°C2012: 18°C2013: 20°C2014: 22°C2015: 18°C2016: 23°C2017: 19°C2018: 23°C2019: 22°C2020: 18°C2021: 20°C2022: 15°C2023: 23°C2024: 24°C2025: 25°C 2026 forecast: 18°C current forecast 18°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 19°C by day. The coolest year was 1985 (13°C) and the warmest was 2025 (25°C). The current forecast averages 18°C - lower than in 67% of historical years.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - Kaunas

Strong windyellow level
from 5 Sept, 05:36 to 6 Sept, 16:59
Areas: Kauno apskritis
Wind gusts can break branches and make driving harder. Watch for falling objects and stay away from trees.
Source: national weather service via Meteoalarm (EUMETNET). Yellow - be aware, orange - be prepared, red - take action.

14-day forecast - Kaunas

Kaunas - 14-day weather forecast infographic

Kaunas 30 & 45-day weather - long-range outlook

Next 16 days · forecast
17°
around 14° at night · days with rain: 8
Weeks 3-4 · avg for September
18°
around 9° at night · rain chance 50%
Weeks 5-7 · avg for October
10°
around 4° at night · rain chance 57%
The 30 & 45-day outlook for Kaunas: the next 16 days are a numerical forecast updated daily - on average 17° by day and 14° at night. Further out we rely on multi-year climate averages: around 18° in September, and about 10° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Kaunas

Saturday5 September 2026
🌧️15°heavy rain
sunrise 06:37 · sunset 20:08 · night 12° · evening 14° · rain 12.56 mm · humidity 83% · wind 11 m/s · clouds 100%
Sunday6 September 2026
🌧️17°light rain
sunrise 06:39 · sunset 20:05 · night 11° · evening 16° · rain 2.74 mm · humidity 70% · wind 8 m/s · clouds 52%
Monday7 September 2026
🌤️18°scattered clouds
sunrise 06:41 · sunset 20:03 · night 13° · evening 16° · rain 0.14 mm · humidity 63% · wind 5 m/s · clouds 48%
Tuesday8 September 2026
🌤️19°a few clouds
sunrise 06:43 · sunset 20:00 · night 16° · evening 20° · rain 1.65 mm · humidity 66% · wind 5 m/s · clouds 17%
Wednesday9 September 2026
🌧️17°light rain
sunrise 06:45 · sunset 19:58 · night 15° · evening 15° · rain 3.02 mm · humidity 79% · wind 4 m/s · clouds 100%
Thursday10 September 2026
🌧️18°light rain
sunrise 06:47 · sunset 19:55 · night 13° · evening 17° · rain 0.18 mm · humidity 64% · wind 7 m/s · clouds 100%
Friday11 September 2026
🌧️18°light rain
sunrise 06:48 · sunset 19:53 · night 15° · evening 17° · rain 1.02 mm · humidity 59% · wind 6 m/s · clouds 100%
Saturday12 September 2026
🌧️14°light rain
sunrise 06:50 · sunset 19:50 · night 12° · evening 15° · rain 6.36 mm · humidity 92% · wind 7 m/s · clouds 100%
Sunday13 September 2026
🌧️13°light rain
sunrise 06:52 · sunset 19:48 · night 11° · evening 15° · rain 0.57 mm · humidity 81% · wind 6 m/s · clouds 97%
Monday14 September 2026
🌧️16°light rain
sunrise 06:54 · sunset 19:45 · night 12° · evening 15° · rain 0.9 mm · humidity 61% · wind 7 m/s · clouds 18%
Tuesday15 September 2026
🌧️16°light rain
sunrise 06:56 · sunset 19:42 · night 11° · evening 16° · rain 0.99 mm · humidity 76% · wind 6 m/s · clouds 69%
Wednesday16 September 2026
🌤️18°scattered clouds
sunrise 06:58 · sunset 19:40 · night 16° · evening 21° · rain 1.11 mm · humidity 60% · wind 5 m/s · clouds 34%
Thursday17 September 2026
🌧️20°light rain
sunrise 07:00 · sunset 19:37 · night 15° · evening 17° · rain 4.11 mm · humidity 87% · wind 6 m/s · clouds 100%
Friday18 September 2026
🌧️19°light rain
sunrise 07:01 · sunset 19:35 · night 15° · evening 20° · rain 0.54 mm · humidity 73% · wind 5 m/s · clouds 4%
Saturday19 September 2026
🌤️20°scattered clouds
sunrise 07:03 · sunset 19:32 · night 17° · evening 22° · humidity 63% · wind 3 m/s · clouds 26%
Sunday20 September 2026
☁️20°overcast clouds
sunrise 07:05 · sunset 19:30 · night 16° · evening 22° · humidity 65% · wind 3 m/s · clouds 93%

UV index in Kaunas - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTKaunas03681111+4.3UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 45 min4Sat5.094Sun6.094Mon7.094Tue8.095Wed9.094Thu10.093Fri11.094Sat12.093Sun13.092Mon14.094Tue15.091Wed16.091Thu17.092Fri18.093Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Kaunas is 4 (moderate) - unprotected fair skin can burn in about 45 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Kaunas - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTKaunasHighest pollen today: Ragweed1 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Ragweed145-nonelowmoderatehighvery highoff season: alder, birch, grasses, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Kaunas - about 1 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Kaunas weather through the year

Kaunas - annual climate

Warmest, driest months on average: April, May, June, July.

Upcoming public holidays in Lithuania: All Saints' Day — 1 November · All Souls' Day — 2 November · Christmas Eve — 24 December.

Nearby and related places

MarijampoleAlytusVilniusPanevezysKlaipedaVisaginas

FAQ - Kaunas weather

What is the weather like in Kaunas today?
Today it is about 15° during the day and 12° at night, heavy rain.
How far ahead can I check the forecast for Kaunas?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.